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Solid state capacitors, also known as solid-state aluminum electrolytic capacitors, are widely used in high-end consumer electronics, industrial control, automotive electronics, and other fields due to the use of conductive polymers as electrolytes, which have advantages such as low ESR (equivalent series resistance), high ripple current resistance, long lifespan, and high reliability. Here are the main brands and selection suggestions for solid-state capacitors from three dimensions: global technology leaders, local Chinese forces, and emerging innovative enterprises:
Solid state capacitors (solid-state aluminum electrolytic capacitors) have significantly improved electrical performance, stability, and lifespan due to the use of conductive polymer materials instead of traditional liquid electrolytes. The following is an analysis of its core classification and characteristics:
Solid capacitor is a kind of electrolytic capacitor, whose full name is solid electrolytic capacitor. Its core feature is to use solid conductive materials (such as conductive polymer or manganese dioxide) as electrolyte instead of liquid or gel like electrolyte in traditional electrolytic capacitors. This improvement significantly outperforms traditional liquid electrolytic capacitors in terms of performance, lifespan, and reliability.
Filter capacitors play a very important role in switching power supplies, and how to correctly select filter capacitors, especially the selection of output filter capacitors, is a concern for every engineering and technical personnel. On the power filtering circuit, we can see various capacitors with different capacitance values, such as 100uF, 10uF, 100nF, 10nF, etc. How are these parameters determined? In the future, don't see capacitors with 0.1uF capacitance placed in everything. In some high-speed systems, these 0.1uF capacitors simply won't work.
